Contact lenses have made it possible for people needing vision correction to no longer rely on glasses. The lenses are worn directly on the eye, and they are virtually undetectable. Most types of vision problems, including nearsightedness and farsightedness, can be corrected with contacts. The type of Contact Lens your doctor prescribes depends on your individual vision needs.
Gas Permeable
Gas permeable lenses, also known as rigid contact lenses, retain their shape at all times. These lenses are made out of a sturdy plastic that still allows oxygen to pass through. Gas permeable lenses are smaller in diameter than other types of contacts. Since these lenses are harder than other types of contacts, some people will not find them comfortable. However, gas permeable lenses provide excellent vision correction, and they are good choice for people with astigmatism or presbyopia. They are also appropriate for those needing high levels of vision correction.
Soft Lenses
Soft contact lenses are perhaps the most popular on the market. They are made of a flexible plastic material, which most patients find very comfortable. Both long wear and disposable soft lenses are sold, and a doctor can help a patient decide which type is best for them. Most soft lenses do not allow the eye to breath; however, newer styles that are meant to be worn overnight do transmit oxygen.
Toric Lenses
Another type of soft Contact Lens is the toric lens. This style is specially designed for patients who suffer from astigmatism, a condition where the cornea is oblong instead of round. Toric lenses are weighted to always sit in the same direction on the eye. When the wearer blinks, the lens rotates back into place. Toric lenses provide clearer vision correction for astigmatism than normal soft lenses.
For people looking for an alternative to glasses, contact lenses are usually the first option. Weareeyes.com recommends gas permeable, soft lenses, and toric lenses to patients, depending on their vision correction needs. Contact lenses must be fitted by an eye doctor to ensure a comfortable fit and to prevent damage to the eye. Schedule an appointment with a local eye doctor if you are interested in trying out contacts.
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